Moon is a Germanic word, related to the Latin mensis. The Moon makes a complete orbit around the Earth every 27.3 days. It would take more than 150 years to drive a car to the sun. There are nearly 7 Billion people on planet Earth. Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 (± 0.12) billion years. Hydrogen has an atomic weight of 1.00794 u. The Sun accounts for about 99.86% of the Solar System's mass. The Universe comprises everything we perceive to exist physically, the entirety of space and time, and all forms of matter and e.
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